As many of you know from reading this blog, I spend about 40% of my time teaching software programming classes for Automation Training, a Canadian company. I started out teaching the Allen-Bradley SLC and ControlLogix platforms and Siemens Step 7 …
I often get asked when teaching my Siemens and Allen-Bradley classes the difference between SCADA systems and HMIs. While there can be some overlap, especially now with enhanced HMI capabilities on CE computers or thin clients, there are some fairly …
Batching refers to a number of different techniques related to the automation world including the creation of an object stage by stage over a series of workstations or the execution of a series of jobs or programs on a computer …
During the process of specifying HMI hardware for my current project some fairly deep discussions were had concerning touchscreen technology. One part of the specification stated “No SAW or APR touchscreens”. Why would you want to avoid these in an …
